Automatic toolchain upgrade to nightly-2025-08-30

[github-actions]

Update Rust toolchain from nightly-2025-08-29 to nightly-2025-08-30 without any other source changes.

[github-actions]

This is an automatically generated pull request. If any of the CI checks fail,
manual intervention is required. In such a case, review the changes at
https://github.com/rust-lang/rust from
rust-lang/rust@f2824da up to
rust-lang/rust@fe55364. The log
for this commit range is:

https://github.com/rust-lang/rust/commit/fe55364329 Auto merge of #145997 - matthiaskrgr:rollup-tsgylre, r=matthiaskrgr

rust-lang/rust@db3fd4708c Auto merge of #145902 - Kobzol:dist-docs-build-compiler, r=jieyouxu
rust-lang/rust@197cb260e4 Rollup merge of #145984 - nnethercote:TokenStream-cleanups, r=chenyukang
rust-lang/rust@25163e8151 Rollup merge of #145982 - Zalathar:logv, r=jieyouxu
rust-lang/rust@47f1df5ca3 Rollup merge of #145676 - Oneirical:uncountable-integer-9, r=jieyouxu
rust-lang/rust@e15744e7a4 Rollup merge of #145675 - Oneirical:uncountable-integer-8, r=jieyouxu
rust-lang/rust@41f2b6b39e Auto merge of #145978 - Zalathar:rollup-0dzk72g, r=Zalathar
rust-lang/rust@6340b97768 Don't print captures in TestCx::normalize_platform_differences
rust-lang/rust@c80cadee64 Move module compute_diff into compiletest::runtest
rust-lang/rust@269db62491 Change the logv function into a TestCx method.
rust-lang/rust@3d54f19421 Don't bother logging an arbitrary subset of the compiletest config
rust-lang/rust@31eafafe3b Rollup merge of #145977 - CaiWeiran:basic-stepping-test, r=jieyouxu
rust-lang/rust@a54567e76c tests: Ignore basic-stepping.rs on riscv64
rust-lang/rust@5c0cd83301 Rollup merge of #145972 - neeko-cat:patch-2, r=ibraheemdev
rust-lang/rust@2246dda682 Rollup merge of #145947 - nnethercote:workspace-members-2, r=Kobzol
rust-lang/rust@4ccf8ca720 Rollup merge of #145884 - clubby789:test-mcount, r=Mark-Simulacrum
rust-lang/rust@4b0933a0a5 Rollup merge of #145793 - he32:netbsd-libexecinfo-fix, r=Mark-Simulacrum
rust-lang/rust@dd03ce8cba Rollup merge of #145387 - zachs18:remove-tmplayout, r=cjgillot
rust-lang/rust@6ac6eb6f49 Rollup merge of #144354 - rafaeling:fix-142726-qnx8-link-fail, r=tgross35
rust-lang/rust@ef50370ec1 Rollup merge of #144275 - Qelxiros:saturating-arithmetic, r=tgross35
rust-lang/rust@2bd53b7d17 Rollup merge of #143713 - tgross35:mailmap, r=Mark-Simulacrum
rust-lang/rust@ef8d1d6f5b Auto merge of #145377 - ChayimFriedman2:solver-def-id, r=lcnr

[zhassan-aws]

Closing in favor of #4333.